{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Treatment.Drug", "Treatment.Duration", "Treatment.Route", "Subject.Disorder", "Treatment.Disorder", "Treatment.Freq", "Subject.Population", "Treatment", "Subject", "Effect", "Subject.Gender", "Treatment.Dosage", "Treatment.Time_elapsed", "Subject.Age", "Combination.Drug"]}], "input": "This report is about three cases of children who developed severe adverse reactions during switching from risperidone to methylphenidate."}
{"potential therapeutic event": []}